Home / 150,537.60-225,806.40-126,043.20

Finding the Fourth Proportional to 150,537.60, 225,806.40 and 126,043.20

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Solution

The fourth proportional to 150,537.60, 225,806.40 and 126,043.20 is: 189,064.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,537.60 : 225,806.40 = 126,043.20 : x
  2. Step 2: Convert to fraction form
    150,537.60/225,806.40 = 126,043.20/x
  3. Step 3: Cross multiply
    150,537.60x = 225,806.40 × 126,043.20
  4. Step 4: Simplify right side
    150,537.60x = 28,461,361,236.48
  5. Step 5: Solve for x
    x = 28,461,361,236.48/150,537.60
  6. Step 6: Final answer
    x = 189,064.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.